NEN 10521
Class 0.5, 1 and 2 alternating-current kilowatthour meters
| Organization: | NEN |
| Publication Date: | 1 February 1995 |
| Status: | inactive |
| Page Count: | 84 |
| ICS Code (Measurement of electrical and magnetic quantities): | 17.220.20 |
scope:
This standard applies only to newly manufactured induction type watthour meters of accuracy Classes 0.5, 1 and 2, for the measurement of alternating current electrical active energy of a frequency in the range of 45 Hz to 65 Hz and it applies to their type tests only. It applies to the assembly of meters and accessories, including current transformers, when enclosed in the meter case. It does not apply to maximum demand indicators.
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